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Eupercaria/misc (Various families in series Eupercaria) >
Lethrinidae (Emperors or scavengers) > Monotaxinae
Etymology: Gymnocranius: Greek, gymnos = naked + Greek, kranion = skull (Ref. 45335); satoi: Named for Torao Sato, a Japanese ichthyologist.
Eponymy: Professor Torao Sato (d: 1945) is a Japanese ichthyologist with expertise in the Lethrinidae (the family of fishes to which this species belongs). [...] (Ref. 128868), visit book page.
Milieu: milieu / Klimaatzone / Diepte / verspreidingsgebied
Ecologie
marien pelagic-neritic; diepte 20 - 40 m (Ref. 107926). Tropical
Western Pacific: New Caledonia, West Papua (Raja Ampat), southern Japan and possibly Australia (GBR), the Solomon Sea, Bismarck Sea and New Guinea.
Grootte / Gewicht / Leeftijd
Maturiteit: Lm ?  range ? - ? cm
Max length : 42.2 cm SL mannelijk / geslacht onbekend; (Ref. 107926)
Korte beschrijving
Determinatiesleutels | Morfologie | Morfometrie
This high-bodied species is distinguished by the following characters: ratio of standard length to body depth between 2.39 and 2.45; bumpy forehead; the lower edge of eye well above axis of body; caudal fin is shallowly forked, the lobes convex on inner side; scale rows above lateral line 6; pored scales on lateral line 47-50; flanks silvery; scales above the lateral line possess a dark-grey basal patch forming longitudinal rows; scales in the three rows below lateral line in middle of flank also forming darker rows, but basal patch not as dark as above lateral line; snout an cheeks with blue speckles against bronze background, distinctive on fresh and larger individuals, but faint on smaller individuals; blue band joining the nostrils on forehead; the area immediately above eye (supraorbital shelf) forming a distinctive brownish to blackish eyebrow; more or less conspicuous vertical dark bar crossing the eye; dorsal, pectoral, anal and caudal fins are reddish to bright vermilion red; upper lip is reddish to red while the lower lip white (Ref. 107926).
Body shape (shape guide): fusiform / normal; Cross section: compressed.
This species apparently lives on the coral sandy bottom in the vicinity of coral reefs (Ref. 107926).
Levenscyclus en paargedrag
Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | Larven
Borsa, P., P. Béarez, S. Paijo and W.-J. Chen, 2013. Gymnocranius superciliosus and Gymnocranius satoi, two new large-eye breams (Sparoidea: Lethrinidae) from the Coral Sea and adjacent regions. Comptes Rendus Biologies 336: 233-240. (Ref. 107926)
Status op de Rode Lijst van het IUCN (Ref. 130435: Version 2025-2 (Global))
Gevaar voor de mens
Harmless
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Schattingen op basis van modellen
Fylogenetische diversiteitsindex (Ref. 82804) |
PD50 = 0.5005 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.01698 (0.00730 - 0.03949), b=2.98 (2.78 - 3.18), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
Trofisch niveau (Ref. 69278) |
3.4 ±0.6 se; based on size and trophs of closest relatives |
Weerstandsvermogen (Ref. 120179) |
Gemiddeld, minimale populatieverdubbelingstijd 1,4-4,4 jaar (Preliminary K or Fecundity.). |
Kwetsbaarheid van de visserij (Ref. 59153) |
Moderate to high vulnerability (47 of 100). 🛈 |